After the rare occasions when the Tsauchab River flows, its watercourse can be traced by the green life that has sprung up along its path. This image was taken in Sossusvlei.
Picture: Michael Poliza

Picture: Michael Poliza

The red dunes of the Namib Desert are some of the tallest and oldest in the world. Here their rusted appearance is offset by shoots of green that followed an unusually prolonged period of rain.
Picture: Michael Poliza

Picture: Michael Poliza

East of Dieprivier, more Namib Desert dunes are shown temporarily coated in greenery.
Picture: Michael Poliza

Picture: Michael Poliza

Taken near Daberas Pass, this shot shows a restricted-access mining area from above. The purpose of the huts, or the trenches that surround them, isn't known.
Picture: Michael Poliza

Picture: Michael Poliza

The Ephemeral Pans near Etosha in Namibia.
Picture: Michael Poliza

Picture: Michael Poliza

Another unusual Namibian landscape is found at Walvis Bay, where microorganisms trapped in large seawater ponds change their hues as the water evaporates and the salinity of the pond increases.
Picture: Michael Poliza

Picture: Michael Poliza

Although much of Michael Poliza's photographs of Namibia were taken from the air, a number show life at ground level.
Picture: Michael Poliza

The Skeleton Coast is the resting place for numerous wreckages. At Spencer Bay, the Otavi vessel - beached in 1945 - is surrounded by a colony of seals.
Picture: Michael Poliza

Picture: Michael Poliza

Picture: Michael Poliza

Picture: Michael Poliza

The Epupa Falls, on the border of Namibia and Angola.
Picture: Michael Poliza

Picture: Michael Poliza

A heart welcomes the few travellers who fly over Namibia's vast plains.
Picture: Michael Poliza

Picture: Michael Poliza

You can see more images by Michael Poliza on his website. Information about the Michael Poliza Experiences tours and details on Michael's Namibia itinerary - currently available only in German - can be accessed here.
Picture: Michael Poliza